Light lid with a previewing window

Abstract

A light lid with a previewing window is disclosed. The light lid provides a lightsome window to preview a transparent original. The light lid comprises a housing that has an opening, and a light conductive plate, which is positioned under the housing to conduct light upwards and downwards evenly so that the light illuminates evenly on the opening and a scanner. Therefore, a user can place a transparent original, such as negatives, above the opening to preview the image of the negatives clearly by the light which is conducted by the light conductive plate and past through the opening.

What is claimed is:  
     
       1. A light lid with a previewing window for using with a flat bed scanner, comprising: 
       a housing, which has the first opening; and  
       a light conductive plate, which is positioned under said housing, conducting light upwards and downwards evenly so that the light passes through said opening and provides the light to the scanner.  
     
     
       2. The light lid with a previewing window as claimed in  claim 1 , further comprising a first reflecting plate positioned under said light conductive plate, corresponding to the location of said first opening to reflect light toward said first opening for increasing the brightness of the light. 
     
     
       3. The light lid with a previewing window as claimed in  claim 1 , wherein said light conductive plate comprises light source devices on both ends to provide the light for said light lid. 
     
     
       4. The light lid with a previewing window as claimed in  claim 3 , further comprising second reflecting plates positioned on both sides of said housing corresponding to said second openings to reflect external light into said light conductive plate for providing the light for said light lid. 
     
     
       5. The light lid with a previewing window as claimed in  claim 1 , wherein said housing includes second openings on the bottom of the both sides.